| Active Ingredient: | Vitamin D3 - Cholecalciferol 0.075% |
| Target pests: | Norway Rats, Roof Rats, House Mice |
| For use in: | Agricultural and animal production facilities, warehousing and food processing plants, as well as for commercial, industrial, and residential accounts |
| Application: | Apply bait in locations out of reach of children, pets, domestic animals and nontarget wildlife, or in tamper-resistant bait stations. |
| Pet safe: | Bait should always be kept out of reach of children, pets and non target animals. Low toxicity to predatory birds |
| Yield: | Available in 4 lb. and 18lb. pails of 1 oz. blox |
| Shelf Life: | If unopened and sealed, product should last 1 year if kept away from extreme temperatures. Once opened, best to use product within 3-4 months. |
| Coverage Area: | All bait placements must be inside or within 50 feet of buildings. |
| Color: | Brown |
| Special Features: | Superb durability and weatherability, mold and moisture resistant. |
| Time to Kill: | Stop-Feed action, 1-3 days after consumption |
| Manufactured By: | Bell Labs |
Product Documents
Terad3 Blox by Bell Labs features the newest formulation in the fight against rodent infestations, using a whole new active ingredient: Vitamin D3. This new Vitamin D3 bait kills anticoagulant-resistant rats and mice (those resistant to other baits such as Contrac) and substantially reduces the risk of secondary poisoning. Terad 3 also poses a low toxicity to birds. The bait features a dense, tightly compacted 1 oz. bait block with superb durability, mold and moisture resistance and the ability to remain stable in temperatures as high as 200F. Best of all, with Terad3 you get a highly palatable and attractive rodent bait that rats and mice just can't resist. Available in 4 lb. and 18lb. pails of 1 oz. blox.
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16 of 18 people found this review helpful:
Works great!!
By Justin on May 13, 2010
Verified Purchase
Goodbye Mr. mouse and Mr. rat. The are dying quickly. We have dogs that catch them and think they are tasty treats so its WONDERFUL to finally find a product that won't kill my animals when they get a hold of a poisoned rat or mouse. I also got the bait stations to keep the bait out of reach, they are well worth it. Also the blocks are a much better idea as the pack rats carry off the small stuff to who knows were for your kids or dogs to find it later.
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8 of 10 people found this review helpful:
Terad3 flop
By Kurt on August 13, 2010
Verified Purchase
Put terad3 out and had very little sign of the mice eating them. Ordered more Contrac Blox and seeing alot of action again.
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6 of 13 people found this review helpful:
Terad3 blox
By Richard on June 12, 2010
Verified Purchase
I have used this product for two weeks in an attempt to control voles. The bait has been placed in the bait stations I purchased from DoMyOwn PestControl. There has been no detectable feeding at the 6 stations. I like the stations but I'm doubtful about the baits use for voles.
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5 of 5 people found this review helpful:
terad blox
By Bernadette on October 25, 2011
Verified Purchase
I don't know, but it doesn't seem like the rodents have eaten any of this. I guess the other one was better. We had better luck with the bloc. the blue one
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4 of 6 people found this review helpful:
The big gun
By Bwana on June 2, 2011Takes about a week for the effects to be noticed but when it does it literally stops them in their tracks wherever the little beggars may be
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Terad3 Blox
By Johnny on April 8, 2013
Verified Purchase
I need a product that's a little stronger. What ever is coming in on the bait station's love the food but they keep coming so their not dying . Please recommend a stronger product . THANKS
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fewer rats we think
By Nancy on November 26, 2012not sure....but less evidence.....some of the stations are nibbled....some not....so i am moving them....hopeful
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2 of 2 people found this review helpful:
Terad3 Blox versus Contrac
By Cottage on October 19, 2012
Verified Purchase
Used this product along side the contrac blocks I have used for the last 10 years and found, in all bait locations, that the terad3 blox were avoided disappointed, but will return to the contrac blocks--an excellent product although I did not like the governments intrusion into size/purchase amount
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not much action as yet
By Yvette on September 29, 2012Ibought Terad 3 blox for my rental units. My tenants complain 1. that the mice is not eating the blocks, so I had them smashed up in pieces, still no action. 2. They are eating the broken up bait but not dying so I dont know whether it's going to work or not. I will log in again in a couple of weeks with an answer. I cannot rate at this point hence the 1 star....
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Works for me
By Dino on July 29, 2012I have been using Terad3 Blox for about 6 months. I leaned about it from my exterminator who was charging me 40 bucks a month for bait boxes. I bought a 4 pound pail of the bait and 4 metal bait boxes for about 100 bucks. Should last me a year. We have a problem with roof rats and they seem to love it! I have to replace the bait every two months. Haven't seen any dead ones around. But I have not seen any running the fence like I used to. Tip: roof rats are very smart and they don't like new things. Set your boxes and leave them alone for a couple of months. They will find it.
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Terad3
By Sick on July 15, 2012the mice hardly ate Terad3 the brown kind,) but, they liked the blue/green kind.
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1 of 1 people found this review helpful:
Terad3 Blox
By Julia on May 25, 2012The mice are not eating this product. They are going around it and even dropping on it. I even tried crushing the block and adding crackers to it. They ate the crackers in between but did not touch the product. I am very disappointed I must say.
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not sure yet
By Kathleen on May 19, 2012Not sure about this yet. The voles don't seem to be eating it yet. I'm giving it some time. I also crushed this and mixed it with peanut butter to make it more inticing to the little critters. I think it may be working. I placed it in 6 of the bait stations and some of the paste is gone - I'm just not sure if the voles ate it or the ants/slugs did. I have a feeling it was not the voles as the activity has not died down yet.
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1 of 1 people found this review helpful:
Tera-bul-d3
By Mike on March 7, 2012I purchased based on the write up, reveiews and the claim that Tered3 is more pet friendly that substantially reduces the risk of secondary poisoning. The problem is that the bait is not very attractive to the rodents. I was using Contrac Blox and refilling the stations every week or two. The same Terad3 blox have been in the station for almost three months with minimal activity. Would not recommend, and need to purchase another bait.
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2 of 2 people found this review helpful:
Good rat bait?
By George on March 3, 2012Had been using fastrac bait until the bucket ran out. Replaced it with terad3. Of the bait left in the bait stations the fastrac bait is the only one consumed. The terad3 has barely been touched. Time will tell if it will get eaten.
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January 28, 2010Douglas asked:
QIs Terad 3 safe to use with pets, specifically from secondary poisoning?
ATerad 3 is very popular because of the reduced risk of secondary poisoning. A pet would have to eat a large amount of the actual bait to become very ill. In turn, a pet would have to eat a huge number of rodents that ate a small amount of bait to become ill. Most pets don't eat dead rodents....they may bring them to your doorstep but most do not consume the carcass. Of course you must do your part and use discretion on where you place the bait for the rodents so it is out of reach of children and pets.
July 10, 2010Gary asked:
QLD50 = ~3.3 tsp
Reading the MSDS, it takes greater than 5K mg/kg to cause 50% of the target population to die. I am witnessing 0.25 tsp being consumed in the bait station over the past 4 days. Am I misunderstanding how much is needed for an effective kill?
A The true amount needed for an effective kill will of course depend on size of the rodent, current health of the rodent, and population of the rodents in the area. .25 tsp may be enough for a younger rodent feeding on the bait. You should always keep enough (Terad3 )bait in the station for the population that is present. They may eat very little one night, and a lot the next night, so it is important to keep an eye on the bait. Also, you want to make sure there is not some other food source out that is more attractive to them than the bait blox. Little competition of food will make the blox more attractive and more effective.
July 14, 2010Donna asked:
QHow can I get rid of a mice infestation without poisoning my dogs?
I've tried your "sticky traps", and they work well. I keep a close eye on them, and I quickly kill the mice they catch. This is a very old house, though, and there are just too many mice. I don't like using poisons, but I think I'll have to do so until the mouse population isn't so large. They're reproducing faster than I can catch them. I have a silly Chi who will, if he can, chew on dead mice. Is there a mouse poison that would kill the mice, but not harm the Chi if he finds, and chews on a dead mouse? Bugs aren't a problem because I use DE. What the DE doesn't get, the "sticky traps" do.
ATerad3 Blox are recommended for situations where secondary poisoning may be a concern. A small dog would have to actually eat, not just chew on, several mice (think 20 or more) to have any type of reaction. Terad3 Blox should be used in tamper resistant bait stations such as the Protecta Mouse Bait Stations to reduce the risk of non-target animals accessing the bait. You can place the stations around the outside perimeter of your home to help get rid of the mice before they move indoors.
October 8, 2010Dee asked:
QWhat poison can I use for mice that will not hurt my cats if they catch one after the mice eat the poison?
I have seven cats, and mice are entering my mobile home. What can I use so it doesn't harm my cats?
AThe safest bait we carry is called Terad3 and it is labeled as an organic bait. It has very low secondary poisoning toxicity, and the cats would have to eat a lot of mice to become ill. However, most cats and dogs will play with a dead mouse but rarely will they actually consume a dead animal. You should always make sure you apply the bait safely in places where you cats cannot access the actual bait.
August 29, 2011Konnie from Martell, Ne asked:
QDo you carry a mouse bait that wouldn't be harmful to my dogs if they ate a poisoned mouse?
We are trying to take care of a mouse problem in our attic. What is your suggestion on eliminating these pests without harming my dogs if they were to eat a poisoned mouse?
AWe would recommend our new rodent bait from Bell Products called Terad3 Blox. It is a new organic rodent bait that significantly reduces the risk of secondary poisoning. Also, a dog or cat would have to get a hold of numerous dead rodents to feel the effects of a rodent bait, usually more than 10, and the pet would have to actually consume the entire rodent. Most pets might play around with a dead rodent, but not consume it.
December 1, 2011David from Las Vegas, Nv asked:
QWhat is the difference between Terad3 and Terad3Ag bait blocks?
What makes one certified organic and the other not? Is one more effective than the other?
AThe main difference between Terad3 and Terad 3 AG is the product label. The product label on each product is geared specifically for commercial/residential use or organic production. To learn more about any differences between the baits you should contact Bell Labs, the manufacturer, directly 800-323-6628.
January 27, 2013Dean from Spring Valley (san Diego), Ca. asked:
QWhat type of poison will just cause rats to bleed & not kill owls if they eat a dead rat?
My bait station is a 4 inch tube with a tee and bait can be poured in top to settle in the middle of tube. I don't want an owl or hawk to die if they eat a dying rat?
ATerad3 Is the bait chosen when secondary poising risks need to be minimized. Terad3 Blox by Bell Labs features the newest formulation in the fight against rodent infestations, using a whole new active ingredient: Vitamin D3. This new Vitamin D3 bait kills anticoagulant-resistant rats and mice (those resistant to other baits such as Contrac) and substantially reduces the risk of secondary poisoning. Terad 3 also poses a low toxicity to birds. The bait features a dense, tightly compacted 1 oz. bait block with superb durability, mold and moisture resistance and the ability to remain stable in temperatures as high as 200F.
March 14, 2010Guenter asked:
QHow do the Terad3 Blox impact ferrets?
How do the Terad3 Blox impact ferrets? Are ferrets interested in eating the blox and if they are what / if any is the lethal dose?
AWhile ferrets are not rodents they are mammals similar in size to rodents and will be affected in a similar manner as rodents. Most likely just one block of the bait could be lethal to a ferret. Because the Terad3 Blox have not been tested on ferrets there is no way for us to know how attractive the bait would be to them. If you decide to use the Terad3 for rodent control you would need to put the bait in tamper resistant bait stations and place the stations in areas that would be inaccessible to ferrets.
January 3, 2011Kelly asked:
QIs Terad3 safe to use around small parrots (I have a conure)?
I am not planning on letting my parrot run around eating the poison, but I am paranoid that small pieces will end up on things or in the carpet or he will fly into something.
ATo avoid any type of accidental poisoning, you should place the bait in tamper resistant bait stations or in areas that are completely inaccessible to your bird. When used in bait stations, the rodents are forced to stay put and consume the secured bait in one place. They can not carry it around.
October 7, 2011Stan from Rockaway,nj asked:
QWhat happens to the mouse after it eats Terad 3?
ATerad3 causes hypervitaminosis (vitamin poisoning) which in turn causes calcification of the rodents heart, lungs and other important organs which of course leads to death.
October 7, 2011Stan from Rockaway,nj asked:
QOnce they eat the Terad 3 will I be finding dead mice in different places?
AYou could potentially find mice anywhere they like to travel. Of course you may not see any at all if they return to a hidden burrow when they start feeling the effects of the bait.
February 26, 2012Marjorie from Jordanville Ny asked:
QI am looking for a packet bait with out secondary poisioning.
I want to place in crawal spaces, walls etc where I cant get the block.
I have cats and dogs, both which chase rodents.
AAll of the pelleted rodent bait does have a chance of secondary poisoning. Terad3 is known to have a reduced risk of secondary poisoning but it it not available in packets, only loose pellets and bait blox. Contrac Rodent Place Paks would be the next best option. Cats and dogs would just about have to eat their body weight in bait to receive a lethal dose of the bait. Most cats and dogs are well fed and don't actually eat the rodents they catch. Usually they just chew on them a bit and then leave them alone. Usually rodents will only have a small amount of bait in their bodies at a time, not enough to cause any issues with cats or dogs. We would also like you to know that all bait is now labeled to be used in tamper resistant bait stations and is not allowed to be thrown out into places like crawl spaces or attics. This is due to new EPA regulations that were put into effect June of 2011.
April 4, 2012Paul from Jacksonville, Fl asked:
QHow often should I replace the Terad3 Blox bait?
What is the lifetime of the Terad3 baits? I installed fresh baits back in December and want to know if I should dispose the 4 month old baits and replace with fresh ones.
ABaits should be replaced if they are insect infested, moldy, melted or smell rancid. Baits that were placed out back in December most likely need to be replaced with fresh bait. There really isn't a set amount time that has to pass before baits must be replaced.


